class Config:
    def __init__(self):
        self.db_type = "postgresql"  # 新增数据库类型配置，默认为 PostgreSQL
        self.db_name = "your_database_name"
        self.db_user = "your_database_user"
        self.db_password = "your_database_password"
        self.db_host = "localhost"
        self.db_port = "5432"